International inheritances: a step-by-step guide to resolution

International inheritances are becoming increasingly common. And the more mobility there is, the more they arise in Portuguese families. It only takes one family member to live abroad, have a bank account in another country, own property in Portugal and another abroad, or have dual nationality, for inheritance to cease being "a matter of the registry office" and become a puzzle with various laws, various entities and, often, various deadlines.

In this guide, you will find a clear step-by-step process for resolving international inheritances methodically, reducing obstacles, avoiding unnecessary costs, and protecting the rights of all heirs.

Throughout the text, we explain how to choose the applicable law, how essential documents work, when it makes sense to resort to probate, and how to use tools such as the European Certificate of Succession.

What are international inheritances and why do they complicate things so much?

International inheritances exist when the succession has elements linked to more than one country. This could be the nationality of the deceased, their habitual residence, the location of the assets, or the residence of the heirs.

What makes them more delicate is that, without guidance, the family tends to start from the wrong side. These situations require method: the order of the steps is as important as the documents. For example, trying to unlock a bank account in one country when the applicable law has not yet been determined. Or trying to divide assets in Portugal without realizing that the process in another country requires a specific document.

The starting point is almost always the same: defining which law governs succession and which authority is competent. Without this, inheritances become entangled in contradictory requirements between countries.

Before the step-by-step instructions: three questions that determine the path.

Before moving forward, these three questions will prevent months of wasted time:

• Where was the deceased's usual residence at the time of death?

• Where are the most significant assets located (real estate, accounts, holdings, companies)?

• Does a will exist, and if so, was a legal choice made?

Habitual residence is often the most important criterion in the European Union. But international inheritances can involve countries outside the EU, and then the rules and documents change.

If you need clarification on the impact of a will on the division of assets, read: division of assets under a will.

International legacies in the European Union

When the case involves EU-EU transactions, inheritances benefit from rules that seek to avoid duplication and conflicts of laws.

In many cases within the European Union, the European Succession Regulation applies. The main idea is to simplify: a single law applicable to succession, a more predictable criterion of jurisdiction, and a document that helps to act in other countries.

The document that unlocks the most opportunities within the EU is the European Certificate of Succession. It serves to prove, within a Member State, who the heirs are and what their powers are.

International legacies outside the European Union

When third countries are involved, international inheritances tend to require more formalities and more document coordination.

Nevertheless, the method remains the same: identify applicable law, gather proof of heirs, map assets and debts, and choose the most efficient way to divide the inheritance.

Step-by-step guide to resolving international inheritance disputes.

International inheritances are resolved through documentation and proper procedures. Attempting to "skip steps" results in delays.

Gather essential information and create a case map.

Start by organizing the basics. Without this, any bank, registry office, or authority will block the process.

• • Death certificate.

  • Full identification of the heirs.

  • Relevant birth and marriage certificates.

  • Information regarding the deceased's usual residence.

  • Information about assets in Portugal and abroad.

  • Existence of a will or succession agreement (if applicable).

To expedite document processing in Portugal: Documentation for the accreditation of heirs in Portugal.

If the difficulty lies in finding goods: How to find out about the assets of a deceased person.

Confirm who the heirs are and who represents the inheritance.

These inheritances require solid proof of who is inheriting. Lack of proof is the number one reason why banks and services refuse applications. In Portugal, this almost always involves proving heirship.

The probate document identifies heirs and allows for registration, contact with banks, and preparation for the division of assets.

Define the applicable law and the competent authority.

If you are in the EU, the rule tends to point to the law of habitual residence, unless valid choices were made by the deceased. Outside the EU, private international law rules apply, and there may be different regimes depending on the country.

The goal is simple: to know, with certainty, who inherits, in what percentages, and what limits exist (for example, legal share).

Deciding which document will unlock operations in another country.

Within the EU, the European Certificate of Succession is often the most effective document. For international inheritances outside the EU, the following may be required:

• • Power of attorney with specific powers.

  • Certified translations and apostille.

  • Certificates issued by Portuguese authorities for use abroad.

  • Recognition of notarial decisions or acts.

Choosing the right document avoids back-and-forth trips and reduces repeated requests for "yet another piece of paper.".

Compile a complete list of assets and debts.

International inheritances are not just assets. It's not just about property. Debts, liabilities, and guarantees can cross borders and, if discovered late, ruin agreements. Therefore, they must be identified early on.    

Before sharing, there should be a complete picture:

• • Real estate and its registration.

  • Bank accounts and investments.

  • Vehicles and other registrable assets.

  • Social participations and business ventures.

  • Bank, tax, and personal debts.

  • Donations made during one's lifetime that may affect accounts.

If you are concerned about liabilities, read this: How to share inherited assets with debts.

Assess assets with discernment and prepare the ground for an agreement.

Evaluation serves to transform discussions into verifiable numbers. When the values are clear and well-justified, accusations decrease, trust increases, and agreement becomes much more likely.

Use valuation to determine turns, compensations, and avoid hasty sales.

• • Property valuation in each country, ideally by a local expert.

  • Valuation of accounts and investments as of the date of death.

  • Valuation of shareholdings based on accounts and a going concern perspective.

The more transparent the assessment, the lower the likelihood of litigation.

Choosing between amicable division and probate.

International inheritance disputes can be resolved through agreement when everyone cooperates. However, just one absent or distrustful heir is enough to stall the decision. When there are roadblocks, formal procedures become necessary.

If there is serious disagreement, concealment of assets, absent or incapacitated heirs, or a simple impasse, probate may be the way to ensure an impartial decision.

To understand when the formal route is necessary: Judicial division of inheritance.

Perform registrations and transfers in each country.

After the decision regarding the division of assets, international inheritances are only truly "resolved" when the registrations and transfers are completed.

In Portugal, this may include property registration, vehicle registration updates, bank communications, and tax regularization. Other countries will have their own procedures.

This step is often underestimated. The family makes the agreement, signs it, and then discovers that a registration is missing for selling, renting, or transferring the property.

Preventing family conflicts while the process is underway.

This type of process takes longer than national ones, and time fuels conflict. A simple communication plan avoids misunderstandings and reduces tension, so that the process does not turn into a personal conflict.

Communicating transparently is both a legal and emotional tool.

• • Define a single channel for exchanging documents.

  • Track progress with dates and tasks.

  • Avoid making decisions "on the fly" without documentary evidence.

  • Register agreements in writing, even if they are provisional.

For practical conflict prevention techniques: How to avoid family disputes.

Mistakes that make international inheritances last for years.

International inheritance cases fail less due to lack of will and more due to lack of sequence and proof. When the process follows a clear order, it speeds up and repeated requests decrease. The most common errors are:

• Moving forward with sharing without defining applicable law.

• Ignoring the fact that a company's social contract can limit transmission.

• Using documents that are not recognized in the country where the property is located.

• Underestimating certified translations and validations.

• Not mapping debts and liabilities.

• Leaving the evaluation until the end, when there is already distrust.

Correcting these errors early saves months and prevents international inheritances from turning into irreparable disputes.

When does it make sense to ask for legal support?

International inheritances require coordination. It's not just about "having a lawyer." It's about having someone who organizes the strategy, anticipates the documents that will be requested, and chooses the path with the least risk.

If your case involves multiple countries, significant assets, disagreeing heirs, debts, or a need to act quickly within the EU, seek advice early.

You can count on us. Probate and inheritance lawyers to conduct the process rigorously and using simple language.

If you are also looking for local and complementary support, you can consult a Solicitor for general framing and articulation with your specific situation.

Conclusion

International inheritances don't have to be a labyrinth. With the right step-by-step approach, they become predictable, even when they involve multiple countries. When you follow a step-by-step process, decide on the applicable law, gather documentary evidence, and choose the right instrument to act in another country, the process ceases to be a struggle and becomes a plan.

The key lies in two words: method and proof. Here, method means following the correct order of steps. And proof means having valid and recognized documentation in the country where you need to act. With this, these types of inheritances are resolved with less conflict, less cost, and less stress. And, in the end, what remains is what should have remained from the beginning: justice in the division and peace in the family.